Finding the Fourth Proportional to 320,794.06, 442,690.44 and 177,551.06
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Solution
The fourth proportional to 320,794.06, 442,690.44 and 177,551.06 is: 245,017.49
Step by Step Solution
- Step 1: Write the proportion equation
320,794.06 : 442,690.44 = 177,551.06 : x - Step 2: Convert to fraction form
320,794.06/442,690.44 = 177,551.06/x - Step 3: Cross multiply
320,794.06x = 442,690.44 × 177,551.06 - Step 4: Simplify right side
320,794.06x = 78,600,156,873.87 - Step 5: Solve for x
x = 78,600,156,873.87/320,794.06 - Step 6: Final answer
x = 245,017.49
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.